Playframework: java.lang.ClassCastException: javassist.bytecode.InterfaceMethodrefInfo cannot be cast to javassist.bytecode.MethodrefInfo

Created on 25 Sep 2015  ·  3Comments  ·  Source: playframework/playframework

Using Play 2.3.x and I see this error

java.lang.ClassCastException: javassist.bytecode.InterfaceMethodrefInfo cannot be cast to javassist.bytecode.MethodrefInfo

Found few places where everyone talking about it like below , but did not find the solution on this yet.

https://groups.google.com/forum/#!searchin/play-framework/https$3A$2F$2Fgithub.com$2Fjboss-javassist$2Fjavassist$2Fpull$2F10/play-framework/Oiqqk4SZr5Y/kYhv_tG_uqQJ

I have added 3.20 javassit in the build.sbt , even then it doesn't work.

Any idea how to solve this issue . apart from hunting down which java8 code is causing this ?

-Thanks

picture rajeshetty

Most helpful comment

libraryDependencies += "org.javassist" % "javassist" % "3.20.0-GA"
picture jroper on 30 Sep 2015
👍4

All 3 comments

You probably need to add the 3.20 javassist upgrade to project/plugins.sbt, since javassist is being used by sbt at compile time by an sbt plugin, not by your application at runtime.

jroper picture jroper on 29 Sep 2015

Example to upgrade javassist in plugins.sbt would be nice. Would you have that handy ?

rajeshetty picture rajeshetty on 29 Sep 2015 
libraryDependencies += "org.javassist" % "javassist" % "3.20.0-GA"
jroper picture jroper on 30 Sep 2015
👍4
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